Finding the Fourth Proportional to 3,685.52, 5,085.60 and 2,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.52 : 5,085.60 = 2,114.12 : x
2. Step 2: Convert to fraction form
   3,685.52/5,085.60 = 2,114.12/x
3. Step 3: Cross multiply
   3,685.52x = 5,085.60 × 2,114.12
4. Step 4: Simplify right side
   3,685.52x = 10,751,568.67
5. Step 5: Solve for x
   x = 10,751,568.67/3,685.52
6. Step 6: Final answer
   x = 2,917.25